Solved question paper for BEEE Dec-2011 (B-TECH 1st-2nd)
Solved Question Paper
Basic electrical and electronics engineering Dec-2011
PTU • B-TECH • Mechanical Engineering • 1st-2nd • Dec-2011
basic electrical and electronics engineering previous year question papers on BRpaper are organized for students of Punjab Technical University’s Bachelor of Technology program, 1st-2nd semester. This section makes it easier to browse subject-wise old question papers for basic electrical and electronics engineering, so students can review how questions are typically framed in past exams and get a sense of the exam pattern. Many students search for basic electrical and electronics engineering question bank with answers while preparing for exams, and this page is built to support exactly that kind of subject-wise browsing and revision. BRpaper is not the official website of Punjab Technical University or any institution, and it does not publish official notices or academic updates.
BTEE 101 Basic Electrical and Electronics Engineering
Part A (Electrical Engineering)
1. Direct Current (DC) Circuits: Circuit elements and connected terminology, Kirchoff‟s Laws- Statement and Illustrations, Method of solving circuits by Kirchoff‟s law, Star-Delta Conversion, Computation of resistance at constant temperature, resistance at different temperatures, Ohm‟s Law- Statement, Illustration and Limitation, Units- Work, Power and Energy (Electrical, Thermal and Mechanical). DC Transients for RL and RC series circuits (7)
2. Alternating Current (AC) Fundamentals: Generation of alternating electro-motive force EMF, Concept of 3-phase EMF Generation, Peak, Root Mean Square and Average value of alternating current, Phasor representation of alternating quantities, Analysis of AC Circuit Representation of Alternating Quantities in Rectangular and polar forms. Introduction of Resistive, Inductive & Capacitive circuits and their series and parallel combinations. Concept of resonance in series and parallel circuits, Analysis of balanced 03 phase system with star-delta connections. (7)
3. Magnetic Circuits and Transformer: Comparison between magnetic and electric circuits, Magnetic effects of electric current, Current carrying conductor in magnetic field, Law of Electromagnetic Induction and its law, Self Inductance, Mutual Inductance, Coupling Coefficient between two magnetically coupled circuits. Single Phase Transformer: Construction, Working principle, Efficiency, Voltage regulation and applications.(7)
4. Rotating Electrical Machines: D.C. machines (motors and generators), Three phase Induction motor, Synchronous machines (motors and generators): construction, working principle, classification and applications. (7)
Part B (Electronics Engineering)
5. Transducers: Introduction, working and application of LVDT, Strain Gauge and Thermistor. Introduction and application of Digital Multimeter. (7)
6. Semiconductor Devices: Principle of operation characteristic and application of PN Junction Diode, Rectifiers, Zener Diode, Principle of operation characteristic and application of Bipolar Junction Transistor, Principle of operation and characteristic Field Effect Transistor, Regulated Power Supply. (7)
7. Digital Electronics: Binary, Octal and Hexadecimal number System & its arithmetic operations, Logic gates, Introduction of R-S, J-K, D and T Flip Flops & its truth tables. (6)
Solved Questions
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Apply Mesh Analysis to circuit shown in fig. 1 to find the power consumption by 3 ohm resistance.Short Answer 2 Marks Dec-2011 • PTU B-TECH
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A voltage v(t) = 170 sin(377 t +10º) is applied to a RL series circuit with R = 2 ohm and L = 2.5mH. Determine the variation of instantaneous power. Also find the average power delivered to circuit and power factor.Long Answer 2 Marks Dec-2011 • PTU B-TECH
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May 2014 A voltage v(t) = 420 sin(377t + 10°) is applied to a circuit. It causes a steady state current to flow which is described by i(t) = 14.14 sin(377t - 20°). Determine the variation of instantaneous power. Also find the average power delivered to circuit and power factor.
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What is a thermistor? Give its two applications.Short Answer 2 Marks Dec-2011 • PTU B-TECH
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What is the difference between crustal diode and zener diode?Short Answer 2 Marks Dec-2011 • PTU B-TECH
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May 2019 What is Zener Diode? Explain its use as voltage regulator.
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May 2016 How can you make a voltage regulator using Zener diode? Explain its operation.
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May 2015 Explain Zener diode operation.
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May 2015 What is a Zener diode? Explain the working of a Zener diode as a voltage regulator.
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May 2014 What is the main application of Zener diode?
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May 2013 What is the function of Zener diode?
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May 2012 Explain Zener diode and any one of its application.
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Dec 2009 What is Zener diode? Explain its use as voltage regulator.
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May 2007 What is Zener diode? Explain its use as voltage regulator.
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Do the following operations: (101010011.1101)2 + (11010111.101)2 = (_____________________)2; (1684)16 - (4AE)16 = (__________________________)16; (367)8 * (12)8 = (_____________________)8; (10101011.011)2 = (_____________)16Fill in the Blanks 2 Marks Dec-2011 • PTU B-TECH
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What are advantages of three phase circuit over single phase circuit?Short Answer 2 Marks Dec-2011 • PTU B-TECH
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May 2024 What are three-phase balanced circuits?
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Dec 2017 What is the difference between single-phase and three-phase transformers?
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Draw the schematic of D type flip flop using universal logic gates?Short Answer 2 Marks Dec-2011 • PTU B-TECH
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May 2014 Draw the schematic of JK flip flop using universal logic gates.
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What are different types of DC motors? Give an application of each type?Short Answer 2 Marks Dec-2011 • PTU B-TECH
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Name the machine used for major industrial applications where controllable speed is required?Very Short Answer 2 Marks Dec-2011 • PTU B-TECH
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Define current gain of common emitter configuration of bipolar junction transistor. What is the approximate range of current gain?Short Answer 2 Marks Dec-2011 • PTU B-TECH
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May 2014 Define current gain of common emitter configuration of bipolar junction transistor. What is the approximate range of current gain?
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A mild steel ring having a cross sectional area of 500mm 2 and a mean circumference of 400mm has a coil of 200 turns wound uniformly around it. Calculate: (i) the reluctance of the ring (ii) the current required to produce a flux of 800 μ Wb in the ring. Permeability of ring material = 3000Long Answer 8 Marks Dec-2011 • PTU B-TECH
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Sketch the labeled constructional diagram of Transformer. Clearly mention the material used for each of the part.Long Answer 8 Marks Dec-2011 • PTU B-TECH
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Dec 2014 Explain the working of the transformer with a neat diagram showing its construction.
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Dec 2010 Explain the working principle of a transformer and draw a sketch showing parts of a core type transformer.
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Show that for delta connections of three phase circuit, the line voltage is equal to the phase voltage whereas line current is equal to 1.732 times phase current. Also draw phasor diagram to support your answer.Long Answer 8 Marks Dec-2011 • PTU B-TECH
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May 2014 Show that for star connections of three phase circuit, the line voltage is equal to 1.732 times the phase voltage whereas line current is equal to phase current. Also draw phasor diagram to support your answer.
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What is series resonance of an RLC circuit? Show that the operating power factor of circuit is unity and maximum current flows through the circuit under resonance. Sketch impedance variation with frequency of an RLC circuit.Long Answer 8 Marks Dec-2011 • PTU B-TECH
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What is digital multimeter? What is its operating principle? What are the quantities that can be measured by this meter?Long Answer 8 Marks Dec-2011 • PTU B-TECH
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Dec 2019 List the various applications of digital multi-meter.
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May 2018 a) What are the uses of Digital Multimeter?\r\n\r\nb) Discuss applications of Digital Multimeter.
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Dec 2016 Write various functions of digital multimeter.
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Dec 2014 What are the functions of Digital Multi-meter?
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Dec 2008 Discuss the salient features of multimeters.
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Discuss the operation of mid point configuration of full wave rectifier feeding resistive load. Obtain the average value and rms value of output voltage. Sketch the waveforms of load voltage, voltage across one diode?Long Answer 8 Marks Dec-2011 • PTU B-TECH
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May 2014 Discuss the operation of bridge configuration of full wave rectifier feeding resistive load. Obtain the average value and rms value of output voltage. Sketch the waveforms of load voltage and voltage across one diode.
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Discuss operation of bipolar junction transistor. Discuss its input and output characteristics. What parameters can be obtained from these characteristics?Long Answer 8 Marks Dec-2011 • PTU B-TECH
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Dec 2019 Discuss the principle of operation and applications of bipolar junction transistor. Also draw its characteristics.
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May 2015 Explain the principle of operation and the characteristics of BJT.
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Draw schematic of JK Flip flop and T type flip flop. Write their truth tables. Under what conditions JK flip flop is better than SR flip flop.Long Answer 8 Marks Dec-2011 • PTU B-TECH
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May 2014 Draw schematic of SR flip flop and D type flip flop. Write their truth tables. Under what conditions is SR flip flop unstable?
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01 Where can I find basic electrical and electronics engineering previous year question papers for Bachelor of Technology, 1st-2nd semester?
This page lists basic electrical and electronics engineering question papers uploaded for Punjab Technical University Bachelor of Technology, 1st-2nd semester, organized for subject-wise browsing where available.
02 Are these official Punjab Technical University question papers?
BRpaper is not the official website of Punjab Technical University. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year basic electrical and electronics engineering papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does basic electrical and electronics engineering usually cover?
The question papers here relate to the official basic electrical and electronics engineering syllabus set by the university for this course and semester.
05 Does this page include a basic electrical and electronics engineering question bank with answers or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Bachelor of Technology?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Punjab Technical University Bachelor of Technology.